74718738 has 24 divisors (see below), whose sum is σ = 162162000. Its totient is φ = 24864504.

The previous prime is 74718719. The next prime is 74718781. The reversal of 74718738 is 83781747.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74718693 and 74718702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8713 + ... + 15011.

It is an arithmetic number, because the mean of its divisors is an integer number (6756750).

Almost surely, 2^74718738 is an apocalyptic number.

74718738 is an abundant number, since it is smaller than the sum of its proper divisors (87443262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74718738 is a wasteful number, since it uses less digits than its factorization.

74718738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966 (or 6963 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The square root of 74718738 is about 8644.0001156872. Note that the first 3 decimals coincide. The cubic root of 74718738 is about 421.1885043791.

The spelling of 74718738 in words is "seventy-four million, seven hundred eighteen thousand, seven hundred thirty-eight".